| article html file updated | 14 February 2020 23:40 CET | Update | https://www.mdpi.com/1996-1073/13/1/221 |
| article html file updated | 16 January 2020 13:31 CET | Update | - |
| article html file updated | 10 January 2020 02:48 CET | Original file | - |
| article pdf uploaded. | 3 January 2020 12:26 CET | Updated version of record | https://www.mdpi.com/1996-1073/13/1/221/pdf |
| article xml uploaded. | 3 January 2020 12:26 CET | Update | https://www.mdpi.com/1996-1073/13/1/221/xml |
| article xml file uploaded | 3 January 2020 12:26 CET | Update | - |
| article pdf uploaded. | 2 January 2020 11:17 CET | Version of Record | https://www.mdpi.com/1996-1073/13/1/221/pdf-vor |
| article xml file uploaded | 2 January 2020 11:17 CET | Original file | - |
